12420705106 has 8 divisors (see below), whose sum is σ = 18735142320. Its totient is φ = 6175657668.

The previous prime is 12420705091. The next prime is 12420705109. The reversal of 12420705106 is 60150702421.

12420705106 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12420705109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17346996 + ... + 17347711.

It is an arithmetic number, because the mean of its divisors is an integer number (2341892790).

Almost surely, 2^12420705106 is an apocalyptic number.

12420705106 is a deficient number, since it is larger than the sum of its proper divisors (6314437214).

12420705106 is a wasteful number, since it uses less digits than its factorization.

12420705106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34694888.

The product of its (nonzero) digits is 3360, while the sum is 28.

The spelling of 12420705106 in words is "twelve billion, four hundred twenty million, seven hundred five thousand, one hundred six".